Tính :
\(A=2\sqrt{\left(-3\right)^6}+2\sqrt{\left(-2\right)^4}-4\sqrt{\left(-2\right)^6}\)
\(B=\sqrt{\left(\sqrt{2}-2\right)^2}+\sqrt{\left(\sqrt{2}-3\right)^2}\)
\(C=\sqrt{\left(3-\sqrt{3}\right)^2}-\sqrt{\left(1+\sqrt{3}\right)^2}\)
\(D=\sqrt{\left(5+\sqrt{6}\right)^2}\)
\(E=\sqrt{17^2}-8^2-\sqrt{3^2+4^2}\)
ai giúp mình với ạ ;-;
\(A=2\sqrt{\left(-3\right)^6}+2\sqrt{\left(-2\right)^4}-4\sqrt{\left(-2\right)^6}\)
\(=2\cdot3^3+2\cdot2^2-4\cdot2^3=30\)
\(B=\sqrt{\left(\sqrt{2}-2\right)^2}+\sqrt{\left(\sqrt{2}-3\right)^2}\)
\(=2-\sqrt{2}+3-\sqrt{2}=5-2\sqrt{2}\)
\(C=\sqrt{\left(3-\sqrt{3}\right)^2}-\sqrt{\left(1+\sqrt{3}\right)^2}\)
\(=3-\sqrt{3}-1-\sqrt{3}=2-2\sqrt{3}\)
\(D=\sqrt{\left(5+\sqrt{6}\right)^2}=5+\sqrt{6}\)
\(E=\sqrt{17^2}-8^2+\sqrt{3^2+4^2}=17-64+5=-42\)